president clinton and president cart he are also scheduled to attended the memorial service set for tuesday. george h.w. bush is the only living president who will not be in attendance for health reasons. >> we should point out that this film was personal. it's about your stepfather. he is one of those unsung heroes who we should behind the scene to say free nelson mandela. tell us more about him. >> he joined our family in 1972, and he brought with hill the news of nelson mandela, that was about eight years before the free nelson mandela campaign which launched nelson mandela as a symbol of the anti apartheid movement. when he went underground when nelson mandela was criminalized, he sent out a generation of people to tell people who was happening in south africa, my step-dad was one of those, the first wave. the second wave was during the sow soweto uprising. they got scholarships all over the world. several went to the united states, they basically tried to tell the world what was going on in south africa. >> i once asked the question why nelson mandela, why south africa, when there were